Climate of Aichi Prefecture, Japan
Area-weighted average across Aichi Prefecture. For where people actually live and travel, see the cities below.
Aichi Prefecture, a subdivision of Japan, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 3.6°C / 38.5°F in January to 26.1°C / 79°F in August, with rainfall from 59 mm / 2.3 in to 272 mm / 10.7 in depending on the season (2031 mm / 80 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 3.6°C38.5°F | 62 mm2.4″ | — |
| February | 4.1°C39.4°F | 83 mm3.3″ | — |
| March | 7.4°C45.3°F | 137 mm5.4″ | — |
| April | 13°C55.4°F | 195 mm7.7″ | — |
| May | 17.3°C63.1°F | 198 mm7.8″ | — |
| June | 21.1°C70°F | 272 mm10.7″ | — |
| July | 24.9°C76.8°F | 264 mm10.4″ | — |
| August | 26.1°C79°F | 229 mm9″ | — |
| September | 22.5°C72.5°F | 267 mm10.5″ | — |
| October | 16.8°C62.2°F | 165 mm6.5″ | — |
| November | 11.3°C52.3°F | 100 mm3.9″ | — |
| December | 6.1°C43°F | 59 mm2.3″ | — |
Frequently asked questions
What is the best time to visit Aichi Prefecture?
Aichi Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 26.1°C / 79°F, and the driest is December at 59 mm / 2.3 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Aichi Prefecture?
Aichi Prefecture, Japan has area-weighted monthly average temperatures ranging from 3.6°C / 38.5°F in January to 26.1°C / 79°F in August. Annual rainfall averages about 2031 mm / 80 in, with the wettest month being June (272 mm / 10.7 in) and the driest December (59 mm / 2.3 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Aichi Prefecture?
The hottest month in Aichi Prefecture is August, with an area-wide average temperature of 26.1°C / 79°F.
What is the coldest month in Aichi Prefecture?
The coldest month in Aichi Prefecture is January, with an area-wide average temperature of 3.6°C / 38.5°F.
When does it rain most in Aichi Prefecture?
The wettest month in Aichi Prefecture is June, averaging about 272 mm / 10.7 in of rainfall. The driest is December with about 59 mm / 2.3 in.